Carrier 58CTW 100 Series Installation, Start-Up, Operating And Service And Maintenance Instructions Download Page 52 | Manualshive

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52

AIR CONDITIONING

AIRFLOW

070 MODEL

090 MODEL

110, 135,

TONS (12,000 BTU/HR)

(CFM)

& 155 MODELS

1-1/2

525

X

X

2

700

X

X

X

2-1/2

875

X

X

X

3

1050

X

X

X

3-1/2

1225

X

X

X

4

1400

X

X

5

1750

X

6

2100

X

X-INDICATES AN ALLOWABLE SELECTION.

2

1

2

1

1

2

COOLING TONNAGE VS. AIRFLOW (CFM)

1. DEFAULT A/C AIRFLOW WHEN A/C SWITCHES ARE IN OFF POSITION
2. DEFAULT CONT. FAN AIRFLOW WHEN CF SWITCHES ARE IN OFF POSITION
3. SWITCH POSITIONS ARE ALSO SHOWN ON FURNACE WIRING DIAGRAM

525

2

700

700

875

2

1050

875

1050

1

1225

1225

1400

1225

1750

1

1225

2100

DEF.

DEF.

070

BASED ON 350 CFM/TON (SETUP SWITCH SW1-5 OFF, SW4-3 OFF)

SETUP SWITCH SW2 OR SW3 POSITIONS

MODEL

SIZE

525

2

700

875

1050

1225 1400

1

1400

DEF.

090

600

2

800

1000 1200

1

1400 1400 1400

DEF.

BASED ON 400 CFM/TON (SETUP SWITCH SW1-5 ON, SW4-3 OFF)

SETUP SWITCH SW2 OR SW3 POSITIONS

MODEL

SIZE

800

1000

2

1200 1400

1600 2000

1

2200

DEF.

600

2

800

1000 1200

1400 1600

1

1600

DEF.

488

2

651

651

814

2

976

814

976

1

1139

1139

1302

1139

1627

1

1139

1950

DEF.

DEF.

070

110, 135, 155

BASED ON 325 CFM/TON (SETUP SWITCH SW1-5 OFF, SW4-3 ON)

SETUP SWITCH SW2 OR SW3 POSITIONS

MODEL

SIZE

488

2

651

814

976

1139 1302

1

1302

DEF.

090

558

2

744

744

930

2

1116

930

1116

1

1302

1302

1488

1302

1860

1

1302

2200

DEF.

DEF.

070

110, 135, 155

BASED ON 370 CFM/TON (SETUP SWITCH SW1-5 ON, SW4-3 ON)

SETUP SWITCH SW2 OR SW3 POSITIONS

MODEL

SIZE

558

2

744

930

1116

1302 1488

1

1488

DEF.

090

070

090

110, 135, 155

110, 135, 155

A13055

Fig. 57 -- Cooling (A/C) or Continuous--Fan (CF) Airflow Selection Chart

d.

Flame--Proving

-- When the burner flame is proved at

the flame--proving sensor electrode FSE, the inducer

motor IDM switches to low--speed unless the furnace
is operating in high--heat, and the furnace control CPU
begins the blower--ON delay period and continues to

hold the gas valve GV--M open. If the burner flame is
not proved within two seconds, the control CPU will

close the gas valve GV--M, and the control CPU will
repeat the ignition sequence for up to three more Tri-

als--For--Ignition before going to Ignition--Lockout.
Lockout will be reset automatically after three hours,
or by momentarily interrupting 115 vac power to the

furnace, or by interrupting 24 vac power at SEC1 or
SEC2 to the furnace control CPU (not at W/W1, G, R,

58C

V

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Summary of Contents for 58CTW 100 Series

Page 1: ...ply Air Connections 14 Upflow and Horizontal Furnaces 14 Downflow Furnaces 15 Return Air Connections 18 Downflow Furnaces 18 Upflow and Horizontal Furnaces 18 GAS PIPING 19 ELECTRICAL CONNECTION 20 ACCESSORIES 22 VENTING 22 START UP ADJUSTMENT AND SAFETY CHECK 34 General 34 Start Up Procedures 37 Adjustments 37 Check Safety Controls 45 Checklist 46 SERVICE AND MAINTENANCE PROCEDURES 46 General 46 ...

Page 2: ...injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation 1 Use only with type of gas approved for this furnace Refer to the furnace rating plate 2 Install this furnace only in a location and position as spe cified in the Location section of these instructions 3 Provide adequate combustion and ventilation air to ...

Page 3: ...3 A10269 Fig 1 Clearances to Combustibles 58CV ...

Page 4: ...Washington DC 20001 www AGA org Combustion and Ventilation Air Section 9 3 NFPA 54 ANSI Z223 1 2009 Air for Combustion and Ventilation Duct Systems Air Conditioning Contractors Association ACCA Manual D Sheet Metal and Air Conditioning Contractors National Association SMACNA or American Society of Heating Refrigeration and Air Conditioning Engineers ASHRAE 2001 Fundamentals Handbook Chapter 34 or ...

Page 5: ...in 508 mm round or 14 1 2 x 19 1 2 in 368 x 495 mm rectangle c For 1600 CFM 22 in 559 mm round or 14 1 2 x 22 1 16 in 368 x 560mm rectangle d For airflow requirements above 1800 CFM see Air Delivery table in Product Data literature for specific use of single side inlets The use of both side inlets a combination of 1 side and the bottom or the bottom only will ensure adequate return air openings fo...

Page 6: ...re all combustion and circulating air requirements are met in addition to all local codes and ordinances WARNING The following types of furnace installations may require OUTDOOR AIR for combustion due to chemical exposures S Commercial buildings S Buildings with indoor pools S Laundry rooms S Hobby or craft rooms and S Chemical storage areas If air is exposed to the following substances it should ...

Page 7: ...ntaining the furnace This prevents a negative pressure condition as created by the circulating air blower causing a flame rollout and or drawing combustion products into the structure The furnace is controlled by a thermostat It may not be hot wired to provide heat continuously to the structure without thermostatic control Clean outside air is provided for combustion This is to minimize the corros...

Page 8: ... 1 2 200 62 2 3 300 93 4 4 400 124 5 5 500 155 7 6 600 186 8 7 700 218 0 0 20 3 150 89 1 4 200 118 9 5 250 148 6 3 300 93 4 4 950 140 1 6 600 186 8 8 250 233 6 9 900 280 3 11 550 327 0 0 10 6 300 178 3 8 400 237 8 10 500 297 3 6 600 186 8 9 900 280 3 13 200 373 7 16 500 467 2 19 800 560 6 23 100 654 1 0 00 NP NP NP NP NP NP NP NP NP NP Not Permitted AIR FOR COMBUSTION AND VENTILATION Provisions fo...

Page 9: ... combined input of all gas appli ances in the space per Table 2 and b Not less than the sum of the areas of all vent connect ors in the space CIRCULATING AIR DUCTS 6 MIN FRONT Ü CIRCULATING AIR DUCTS VENT THROUGH ROOF 1 SQ IN PER 1000 BTUH IN DOOR OR WALL 12 MAX 1 SQ IN PER 1000 BTUH IN DOOR OR WALL 12 MAX UNCONFINED SPACE INTERIOR HEATED SPACE CLEARANCE IN FRONT OF COMBUSTION AIR OPENINGS SHALL B...

Page 10: ...nent ventilation and dilution of flue gases However in buildings with unusually tight construction additional air MUST be provided using the methods de scribed in the Outdoor Combustion Air Method section 4 Unusually tight construction is defined as Construction with a Walls and ceilings exposed to the outdoors have a con tinuous sealed vapor barrier Openings are gasketed or sealed and b Doors and...

Page 11: ...ard this panel when bottom return air is used To remove bottom closure panel perform the following 1 Tilt or raise furnace and remove 2 screws holding bottom filler panel See Fig 9 2 Rotate bottom filler panel downward to release holding tabs 3 Remove bottom closure panel 4 Reinstall bottom filler panel and screws HORIZONTAL INSTALLATION FIRE EXPLOSION AND CARBON MONOXIDE POISONING HAZARD Failure ...

Page 12: ...ve and discard this panel when bottom return air is used To remove bottom closure panel perform the following 1 Tilt or raise furnace and remove two screws holding bot tom filler panel See Fig 9 2 Rotate bottom filler panel downward to release holding tabs 3 Remove bottom closure panel 4 Reinstall bottom filler panel and screws Side Return Air Inlet These furnaces are shipped with bottom closure p...

Page 13: ...08 Filter Arrangement CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death Never operate a furnace without a filter or with filter access door removed WARNING There are no provisions for an internal filter rack in these furnaces A field supplied accessory external filter rack is required Refer to the instructions supplied with the external filter...

Page 14: ...s All accessories MUST be connected to duct external to furnace main casing NOTE For horizontal applications the top most flange may be bent past 90_ to allow the evaporator coil to hang on the flange temporarily while the remaining attachment and sealing of the coil are performed Downflow Furnaces Connect supply air duct to supply air outlet on furnace Bend flange inward past 90_ with wide duct p...

Page 15: ...ER ROD 8 203mm MIN FOR DOOR REMOVAL OUTER DOOR ASSEMBLY A10130 Fig 15 Horizontal Unit Suspension METHOD 2 USE 4 8 x 3 4 19 mm SHEET METAL SCREWS FOR EACH STRAP THE STRAPS SHOULD BE VERTICAL AGAINST THE FURNACE SIDES AND NOT PULL AWAY FROM THE FURNACE SIDES METHOD 1 FOLD ALL STRAPS UNDER FURNACE AND SECURE WTH 4 8 x 3 4 19 mm SHEET METAL SCREWS 2 SCREWS IN SIDE AND 2 SCREWS IN BOTTOM A10131 Fig 16 ...

Page 16: ...CTIONS OF THE TOP AND TWO SIDES OF THE FURNACE JACKET AND BUILDING JOISTS STUDS OR FRAMING GAS ENTRY 17 3 4 451mm OVERALL 4 3 4 121mm UNDER DOOR 1 25mm UNDER FURNACE EXTEND OUT 12 305mm FROM FACE OF DOOR WHEN USED WITH SINGLE WALL VENT CONNECTIONS UNION 152mm 451mm 559mm A10164 Fig 17 Typical Attic Installation A02075 Fig 18 Upflow Return Air Configurations and Restrictions 58CV ...

Page 17: ...17 A02163 Fig 19 Downflow Return Air Configurations and Restrictions A02162 Fig 20 Horizontal Return Air Configurations and Restrictions 58CV ...

Page 18: ...040 2005 1970 Maximum 2200 0 1 0 2200 2190 2190 2180 2155 2145 2125 2100 2080 2020 135 22 Low Heat 1700 1430 0 1 0 1700 1700 1700 1700 1700 1695 1700 1695 1685 1670 High Heat 1915 1725 0 1 0 1900 1905 1915 1915 1915 1915 1915 1915 1915 1915 2 Ton A C Cooling 700 0 0 50 700 700 700 700 665 2 1 2 Ton A C Cooling 875 0 0 50 870 870 865 865 865 3 Ton A C Cooling 1050 0 0 50 1010 1030 1050 1050 1050 3 ...

Page 19: ...s supply connections MUST be performed by a li censed plumber or gas fitter 2 When flexible connectors are used the maximum length shall not exceed 36 in 915 mm 3 When lever handle type manual equipment shutoff valves are used they shall be T handle valves 4 The use of copper tubing for gas piping is NOT approved by the state of Massachusetts Refer to Table 6 for recommended gas pipe sizing Risers...

Page 20: ...HAZARD Failure to follow this warning could result in personal injury or death Blower access panel door switch opens 115 v power to control No component operation can occur Do not bypass or close switch with panel removed WARNING See Fig 25 for field wiring diagram showing typical field 115 v wiring Check all factory and field electrical connections for tightness Field supplied wiring shall confor...

Page 21: ...ove the J Box Do NOT remove green ground screw inside J Box See Fig 23 2 Cut wire tie on loop in furnace wires attached to J Box 3 Move J Box to desired location 4 Fasten J Box to casing with the two screws removed in Step 1 5 Route J Box wires within furnace away from sharp edges rotating parts and hot surfaces Electrical Connection to J Box Electrical Box on Furnace Casing Side See Fig 24 FIRE O...

Page 22: ...llation service or maintenance could cause this fuse to blow If fuse replacement is required use ONLY a 3 amp fuse of identical size ACCESSORIES 1 Electronic Air Cleaner EAC Connect an accessory Electronic Air Cleaner if used us ing 1 4 in female quick connect terminals to the two male 1 4 in quick connect terminals on the control board marked EAC 1 and EAC 2 The terminals are rated for 115VAC 1 0...

Page 23: ...Fig 25 Field Wiring Diagram 24 V THERMOSTAT TERMINALS PL2 HOT SURFACE IGNITER INDUCER MOTOR CONNECTOR 115 VAC L2 NEUTRAL CONNECTIONS 115 VAC L1 LINE VOLTAGE CONNECTIONS EAC 1 TERMINAL 115 VAC 1 0 AMP MAX PL1 LOW VOLTAGE MAIN HARNESS CONNECTOR PL3 ECM BLOWER HARNESS CONNECTOR TRANSFORMER 24 VAC CONNECTIONS 3 AMP FUSE STATUS AND COMM LED LIGHTS SW1 SETUP SWITCHES AND BLOWER OFF DELAY MODEL PLUG CONN...

Page 24: ...nt system or vent connectors may need to be resized Vent systems or vent connectors must be sized to approach minimum size as determined using appropriate table found in the current edition of NFGC General Venting Requirements Follow all safety codes for proper vent sizing and installation requirements including local building codes the National Fuel Gas Code NFPA 54 ANSI Z223 1 2009 NFGC Parts 12...

Page 25: ...ng these figures A03180 Fig 29 Two Stage Furnace with Single Speed Heat Pump Dual Fuel See notes 1 2 3 4 6 8 9 10 12 13 and 15 on the page following these figures A03178 Fig 30 Two Stage Furnace with Two Speed Heat Pump Dual Fuel See notes 1 2 4 11 14 15 and 16 on the page following these figures A03181 Fig 31 Dual Fuel Thermostat with Two Stage Furnace and Single Speed Heat Pump 58CV ...

Page 26: ... Furnace and Two Speed Heat Pump See notes 2 11 and 12 on the page following these figures A03183 Fig 33 Two Stage Thermostat with Two Stage Furnace and Two Speed Air Conditioner See notes 1 and 2 on the page following these figures A03184 Fig 34 Single Stage Thermostat with Two Stage Furnace and Two Speed Air Conditioner 58CV ...

Page 27: ...nfiguration Option No 10 Dual Fuel Selection must be turned ON in all dual fuel applications 10 NO connection should be made to the furnace HUM terminal when using a Thermidistat 11 Optional connection If wire is connected dip switch SW1 2 on furnace control should be set in ON position to allow Thermidistat Thermostat to control furnace staging 12 Optional connection If wire is connected ACRDJ ju...

Page 28: ...vent fuel oil residue Is liner and top seal in good condition Is chimney property lined with clay tile liner Crown condition Missing mortar or brick Rebuild crown Yes Yes No No No Reline Yes Repair Yes Yes Yes No No Remove mortar and tile debris Remove metal vent or liner No No No No Yes Yes Suitable Suitable Not Suitable Line chimney with property sized listed flexible metal liner or Type B vent ...

Page 29: ...information on condensate drains b Indicates the chimney exceeds the maximum permiss ible size in the tables the chimney should be rebuilt or relined to conform to the requirements of the equip ment being installed and the authority having jurisdic tion A chimney without a clay tile liner which is otherwise in good condition shall be rebuilt to conform to ANSI NFPA 211 or be lined with a UL listed...

Page 30: ... model furnaces A field supplied 4 in 102 mm to 5 in 127 mm or 4 in 102 mm to 6 in 152 mm sheet metal increaser fitting is required when 5 in 127 mm or 6 in 152 mm vent connector is used See Fig 36 48 Venting Orientation for approved vent configurations NOTE Vent connector length for connector sizing starts at furnace vent elbow The 4 in 102 mm vent elbow is shipped for upflow configuration and ma...

Page 31: ...7 8 9 on the pages following these figures A03209 Fig 37 Upflow Application Vent Elbow Right SEE NOTES 1 2 3 4 5 7 8 9 on the page following these figures A03210 Fig 38 Downflow Application Vent Elbow Up then Left SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03211 Fig 39 Downflow Application Vent Elbow Up 58CV ...

Page 32: ...nflow Application Vent Elbow Up then Right SEE NOTES 1 2 4 7 8 9 on the page following these figures A03213 Fig 42 Horizontal Left Application Vent Elbow Left SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03214 Fig 43 Horizontal Left Application Vent Elbow Right then Up SEE NOTES 1 2 4 7 8 9 on the page following these figures A03218 Fig 44 Horizontal Right Application Vent Elbow Ri...

Page 33: ... B vent where required refer to Note 1 above 5 A 4 in 102 mm single wall 26 ga min vent must be used inside furnace casing and when the factory approved Downflow Vent Guard Kit is used external to the furnace See Table 17 for accessory listing 6 Accessory Downflow Vent Guard Kit required in downflow installations with lower vent configuration See Table 17 for accessory listing 7 Chimney Adapter Ki...

Page 34: ...d mechanical venter START UP ADJUSTMENT AND SAFETY CHECK General FIRE HAZARD Failure to follow this warning could result in personal injury death or property damage This furnace is equipped with manual reset limit switches in the gas control area The switches open and shut off power to the gas valve if a flame rollout or overheating condition occurs in the gas control area DO NOT bypass the switch...

Page 35: ...Test Remove Blower Access Door Disconnect the thermostat R lead from furnace control board Manually close blower door switch Turn Setup DIP switch SW1 6 ON See Fig 26 53 and Table 10 NOTE The furnace control allows all components except the gas valve to be run for short period of time This feature helps diagnose a system problem in case of a component failure Component test feature will not operat...

Page 36: ...ed Turn OFF when Self Test is completed SW1 7 SW1 8 Blower OFF delay ON or OFF Blower Off Delay time adjustable 90 seconds to 180 seconds See table in Adjustments section or refer to unit wiring diagram g g SW4 3 CFM per ton Adjust OFF Allows additional CFM per ton selections when used with SW 1 5 325 CFM per ton nominal when SW 4 3 ON and SW 1 5 OFF 350 CFM per ton nominal when SW 4 3 OFF and SW ...

Page 37: ...fter three hours Refer to status code 33 14 IGNITION LOCKOUT Control will auto reset after three hours Refer to status code 34 15 BLOWER MOTOR LOCKOUT Indicates the blower failed to reach 250 RPM or the blower failed to communicate within 30 seconds after being turned ON in two successive heating cycles Control will auto reset after 3 hours Refer to status code 41 21 GAS HEATING LOCKOUT Control wi...

Page 38: ...ined replace caps that con ceal gas valve regulator adjustment screws Main burner flame should be clear blue almost transparent See Fig 55 d Remove jumpers R to W W1 and R to W2 5 Verify natural gas input rate by clocking meter NOTE Gas valve regulator adjustment caps must be in place for proper input to be clocked a Turn off all other gas appliances and pilots served by the meter b Move setup swi...

Page 39: ...echanical thermostat Set thermostat heat anticipator to match the amp draw of the electrical components in the R W W1 circuit Accurate amp draw readings can be obtained at the wires normally connected to ther mostat subbase terminals R and W The thermostat anticipator should NOT be in the circuit while measur ing current 1 Set SW1 2 switch on furnace control board to ON 2 Remove thermostat from su...

Page 40: ...40 A08464 Fig 53 Wiring Diagram 58CV ...

Page 41: ...81 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 48 97 243 28 129 257 643 76 47 95 237 29 124 248 621 78 46 92 231 30 120 240 600 80 45 90 225 31 116 232 581 82 44 88 220 32 113 225 563 84 43 86 214 33 109 218 545 86 42 84 209 34 106 212 529 88 41 82 205 35 103 206 514 90 40 80 200 36 100 200 500 92 39 78 196 3...

Page 42: ... 1 4 43 3 4 1 5 43 3 5 1 5 43 3 6 1 6 925 44 3 5 1 5 43 3 2 1 4 43 3 3 1 4 43 3 4 1 5 950 44 3 4 1 5 44 3 5 1 5 44 3 6 1 6 43 3 2 1 4 975 44 3 2 1 4 44 3 3 1 4 44 3 4 1 5 44 3 5 1 5 1000 45 3 7 1 6 45 3 8 1 7 44 3 2 1 4 44 3 4 1 5 ALTITUDE RANGE FT M AVG GAS HEAT VALUE BTUH CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 Orifice No Manifold Pressure High Low Orifice No Manifold Pressure ...

Page 43: ...850 47 3 5 1 5 47 3 6 1 6 47 3 8 1 6 46 3 4 1 5 ALTITUDE RANGE FT M AVG GAS HEAT VALUE AT ALTITUDE BTUH CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low USA 7001 to 8000 2134 to 2438 650 44 3 6 1 6 43 3 2 1 4 43 3 4 1 5 43 3 5 1 5 675 44 3...

Page 44: ... 1 6 44 3 5 1 7 43 3 2 1 5 43 3 3 1 6 925 44 3 2 1 5 44 3 3 1 6 44 3 5 1 6 44 3 6 1 7 950 45 3 7 1 8 45 3 8 1 8 44 3 3 1 6 44 3 4 1 6 975 46 3 7 1 8 46 3 8 1 8 45 3 8 1 8 44 3 2 1 5 1000 46 3 5 1 7 46 3 6 1 7 46 3 8 1 8 45 3 7 1 8 SPECIFIC GRAVITY OF NATURAL GAS ALTITUDE RANGE FT M AVG GAS HEAT VALUE BTUH CU FT 0 58 0 60 0 62 0 64 Orifice No Manifold Pressure High Low Orifice No Manifold Pressure ...

Page 45: ... 8 850 48 3 7 1 7 48 3 8 1 8 47 3 4 1 6 47 3 5 1 7 ALTITUDE RANGE FT M AVG GAS HEAT VALUE AT ALTITUDE BTUH CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low USA 7001 to 8000 2134 to 2438 650 44 3 3 1 6 44 3 4 1 6 44 3 5 1 7 43 3 2 1 5 675 4...

Page 46: ...t surface igniter glows when inducer motor is disconnected shut down furnace immediately e Determine reason pressure switch did not function properly and correct condition f Turn off 115 v power to furnace g Reconnect inducer motor wires replace outer door and turn on 115 v power h Blower will run for 90 seconds before beginning the call for heat again i Furnace should ignite normally Checklist 1 ...

Page 47: ...he last 7 Status Codes in order of occurrence 1 To retrieve status codes proceed with the following NOTE NO thermostat signal may be present at control and all blower OFF delays must be completed a Leave 115 v power to furnace turned on b Remove outer access door c Look into blower access door sight glass for current LED status d Remove blower access door NOTE The Status Codes cannot be retrieved ...

Page 48: ...ervice as neces sary 4 Inspect burner compartment before each heating season for rust corrosion soot or excessive dust If necessary have furnace and burner serviced by a qualified service agency 5 Inspect the vent pipe vent system before each heating sea son for rust corrosion water leakage sagging pipes or broken fittings Have vent pipes vent system serviced by a qualified service agency 6 Inspec...

Page 49: ...ng and set screw contacts the flat portion of the motor shaft Loosen set screw on blower wheel and reposition if neces sary 12 Spin the blower wheel by hand to verify that the wheel does not rub on the housing 13 Reinstall blower assembly in furnace 14 Reinstall 2 screws securing blower assembly to blower deck 15 Reconnect blower leads to furnace control Refer to fur nace wiring diagram and connec...

Page 50: ...ble and crimp tight with crimping tool or crimp by striking with ball peen hammer TIGHTNESS IS VERY IMPORTANT NOTE The materials needed in item 9 can usually be purchased at local hardware stores 1 Attach variable speed reversible drill to the end of spring cable end opposite brush 2 Insert brush end of cable into the outlet opening of cell and slowly rotate with drill DO NOT force cable Gradually...

Page 51: ... two stage furnace with a single stage thermostat because the furnace control CPU includes a programmed adaptive sequence of controlled operation which selects low heat or high heat operation This selection is based upon the stored history of the length of previous gas heating periods of the single stage thermostat The furnace will start up in either low or high heat If the furnace starts up in lo...

Page 52: ...N 325 CFM TON SETUP SWITCH SW1 5 OFF SW4 3 ON SETUP SWITCH SW2 OR SW3 POSITIONS MODEL SIZE 4882 651 814 976 1139 13021 1302 DEF 090 5582 744 744 9302 1116 930 11161 1302 1302 1488 1302 18601 1302 2200 DEF DEF 070 110 135 155 BASED ON 370 CFM TON SETUP SWITCH SW1 5 ON SW4 3 ON SETUP SWITCH SW2 OR SW3 POSITIONS MODEL SIZE 5582 744 930 1116 1302 14881 1488 DEF 090 070 090 110 135 155 110 135 155 A130...

Page 53: ...wer motor BLWM will transition to high heat airflow five seconds after the R to W2 cir cuit closes b Switching from High to Low Heat If the thermo stat R to W2 circuit opens and the R to W1 circuit remains closed the furnace control CPU will switch the inducer motor IDM speed from high to low The high heat pressure switch relay HPSR is energized to open the NC contact and de energize the high heat...

Page 54: ...to 86 percent of high cooling airflow High cooling airflow is based on the A C air conditioning selection shown in Fig 55 c Cooling off delay When the call for cooling is satisfied and there is a demand for dehumidification the cooling blower off delay is decreased from 90 seconds to 5 seconds 5 Super Dehumidify Mode Super Dehumidify mode can only be entered if the fur nace control is in the Therm...

Page 55: ... motor BLWM to low cooling airflow If both the Y1 and Y Y2 signals disappear at the same time the blower motor BLWM will remain on at low heat airflow for the selected blower OFF delay period At the end of the blower OFF delay the blower motor BLWM will shut OFF unless G is still energized in which case the blower motor BLWM will operate at continuous blower airflow 8 Component test The furnace fe...

Page 56: ... transformer phasing Was there a previous status code other than 11 Is door switch closed Is there 115V going to switch Replace door switch Replace transformer Does the control respond to W W1 W2 Y1 Y Y2 and G 24V thermostat signals Replace furnace control NO NO NO NO Is 24V present at W W1 W2 Y1 Y Y2 or G thermostat terminals on the furnace control NO YES YES Replace furnace control Is there 24V ...

Page 57: ...pen Restricted vent Proper vent sizing Excessive wind 34 IGNITION PROVING FAILURE If flame is not sensed during the trial for ignition period the control will repeat the ignition sequence 3 more times before lockout 14 occurs If flame signal is lost during the blower on delay period blower will come on for the selected blower off delay Check the following items first before proceeding to the next ...

Page 58: ...lace the blower control module attached to the blower motor Follow the instructions with the blower control module to make sure the entire blower motor does not need to be replaced Turn power back on Is there 115VAC at PL14 5 and PL14 4 Is there 12 VDC at PL13 7 RED and PL13 1 GREEN Is there 12 VDC at PL3 1 RED and PL3 2 GREEN Replace the furnace control Is there 5 VDC at PL13 16 YELLOW and PL13 1...

Page 59: ...lter Rack KGAFR0801SRE Ext Side filter rack all casings includes filter Unframed Filter 3 4 in 19 mm KGAWF1301UFR 1 unframed filter 16x25x3 4 406x635x19 mm KGAWF1401UFR 1 unframed filter 20x25x3 4 508x635x19 mm KGAWF1501UFR 1 unframed filter 24x25x3 4 610x635x19 mm KGAWF1306UFR 6 unframed filter 16x25x3 4 406x635x19 mm KGAWF1406UFR 6 unframed filter 20x25x3 4 508x635x19 mm KGAWF1506UFR 6 unframed ...

Page 60: ... Heating Equipment or Air Conditioning Contractors and Systems headings for dealer listing by brand name or contact CARRIER CORPORATION Consumer Relations Department P O Box 4808 Syracuse New York 13221 4808 1 800 CARRIER Have available the model number series number and serial number located on the unit rating plate to ensure correct replacement part Example of Model Number MODEL HEATING SIZE VAR...

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